(1)有効でまたは本物として認める
(2)establish as valid or genuine; "Can you back up your claims?"
さらに詳しく
(1)凄くビックリすること。
(1)横に傾く
(2)tip laterally; "the pilot had to bank the aircraft"
(1)短い距離を飛ばすようにボールを打つ
(2)hit a ball in such a way so as to make it go a short distance
